黄河流域农业科技创新与绿色发展的耦合协调及时空演化OA

To provide more targeted scientific evidence and theoretical support for ecological protection and high-quality development in the Yellow River Basin,this study constructed two comprehensive evaluation systems based on the connotations and coupling mechanisms of agri-cultural technological innovation and agricultural green development.Using data from the nine provinces(autonomous regions)in the Yellow River Basin from 2013 to 2024,the development levels of the two systems,their coupling coordination relationship,sources of disparities,and spatial dynamic evolution were systematically analyzed.The results show that:a)The composite indices of agricultural technological in-novation and agricultural green development in all provinces(autonomous regions)exhibit an overall upward trend.Agricultural technological innovation increases more rapidly and shows an accelerating pattern,whereas agricultural green development remains relatively stable overall,with slight fluctuations during certain periods.b)The two systems are strongly interconnected and tend to remain stable,while the quality of coupling-coordinated development continues to improve,displaying a clear spatial gradient of downstream regions＞midstream regions＞up-stream regions.c)Disparities in the coupling coordination degree among provinces(autonomous regions)are generally limited and exhibit a pattern of"initial convergence followed by divergence",with the overall disparities mainly attributable to within-group differentiation.d)The spatial dynamic evolution of coupling-coordinated development across provinces(autonomous regions)is characterized by"high persistence and low mobility"and is influenced by the coordination levels of neighboring provinces(autonomous regions).